00671naa#a2200181#i#450# EN\\bibl\17366 20251116173435.7 20251115b2025####ek#y0engy0150####ca RU PROBLEMS OF DETERMINING THE AGE OF TREES ON KERN Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2025 5 с. Conference article/thesis local Лесное хозяйство. Лесоводство. 630 Savchenkova V A Malyshev D. A. Razdymaho A. A. bibl.vgltu.ru